Set all Qt app's to use GTK+ font & theme settings

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Introduction

This fix is particularly helpful for people that run 1080p or higher screen resolutions on largish monitors. As apart from making your QT app's use your GTK+ theme (colours & such) it will make them use your font settings. Which for me makes all the difference to my eyes, as I need to use large fonts.


How do you do it?

As root, create /etc/profile.d/qt.style.overide.sh

To do that you will need to start your favourite text editor in root mode. You can this by using sudo <your text editor's name> in the terminal (or however else you get your editor to create a new file as root).

Copy the following into your text editor's new empty file with this path & name:

/etc/profile.d/qt.style.overide.sh

## Following was created to make Qt app's use GTK+ 
## font & theme settings:

export QT_STYLE_OVERRIDE=GTK+

Save the file & reboot.


Results

After saving the file & rebooting, I then, with trepidation, opened the Qt 5.5 program called PkgBrowser... It looked just like my other GTK+ app's on my Openbox system (there is no accounting for taste!). I was very happy.


PkgBrowser.GTK+.png

Here is a picture of the Qt 5.5 PkgBrowser program open full screen on my 1080p Openbox (GTK2) box. It is using my custom dark theme & my large font settings. My eyes love it.


Support

Following is a link to this page's forum counterpart where you can post any related feedback: [coming soon]